Question

if radius of circle is 28 cm and angle between any two radii is 60 degree then find the area of sector formed by two radii of a circle.

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Answer 1

Answer:

Sector (OAPBO) of a circle is given whose

radius(r)=28cm

and central angle (θ)=45

∘

∴ Area of sector (A)=

360

∘

πr

2

θ

=

7

22

×

360

∘

28×28×45

∘

⇒ Area of sector =308cm

2

is the required area.